Home / 4,378.84-6,570.08-2,186.98

Finding the Fourth Proportional to 4,378.84, 6,570.08 and 2,186.98

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Solution

The fourth proportional to 4,378.84, 6,570.08 and 2,186.98 is: 3,281.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.84 : 6,570.08 = 2,186.98 : x
  2. Step 2: Convert to fraction form
    4,378.84/6,570.08 = 2,186.98/x
  3. Step 3: Cross multiply
    4,378.84x = 6,570.08 × 2,186.98
  4. Step 4: Simplify right side
    4,378.84x = 14,368,633.56
  5. Step 5: Solve for x
    x = 14,368,633.56/4,378.84
  6. Step 6: Final answer
    x = 3,281.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.